Breeding of a Corn Hybrid Lantron808 and Its Implication for Commercial Breeding
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Abstract:
Lantron808 is a corn hybrid created in 2012 using CT3566 and CT3354 as female and male parents respectively, which satisfies the trait breeding goals of Mid-early maturity, high yield potential, lodging resistance, high density planting, disease resistance, fast dehydration, machine-harvesting, and wide adaptability. Lantron808 has been approved in five national trials for commercial corn production in four major corn production regions and five maturity zones including Huang-Huai-Hai summer corn region, Northeast region(in both Northeast medium maturity zone and East Huabei medium and late maturity zone), Northwest region, and Southwest region. The yield performance of Lantron808 in national and regional multi-location trials, and production trials were reported, along with its excellent characteristics in agronomic traits, lodging resistance, density tolerance, and feed quality of silage. According to the performance of Lianchuang808 and the experience of the breeding process, related issues on commercial breeding were discussed. In particular, the pyramiding breeding of favorite traits, the assignment of heterotic group and their implications to heterosis.